2x^2-8x-6=(x-1)(x-1)

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Solution for 2x^2-8x-6=(x-1)(x-1) equation:


Simplifying
2x2 + -8x + -6 = (x + -1)(x + -1)

Reorder the terms:
-6 + -8x + 2x2 = (x + -1)(x + -1)

Reorder the terms:
-6 + -8x + 2x2 = (-1 + x)(x + -1)

Reorder the terms:
-6 + -8x + 2x2 = (-1 + x)(-1 + x)

Multiply (-1 + x) * (-1 + x)
-6 + -8x + 2x2 = (-1(-1 + x) + x(-1 + x))
-6 + -8x + 2x2 = ((-1 * -1 + x * -1) + x(-1 + x))
-6 + -8x + 2x2 = ((1 + -1x) + x(-1 + x))
-6 + -8x + 2x2 = (1 + -1x + (-1 * x + x * x))
-6 + -8x + 2x2 = (1 + -1x + (-1x + x2))

Combine like terms: -1x + -1x = -2x
-6 + -8x + 2x2 = (1 + -2x + x2)

Solving
-6 + -8x + 2x2 = 1 + -2x + x2

Solving for variable 'x'.

Reorder the terms:
-6 + -1 + -8x + 2x + 2x2 + -1x2 = 1 + -2x + x2 + -1 + 2x + -1x2

Combine like terms: -6 + -1 = -7
-7 + -8x + 2x + 2x2 + -1x2 = 1 + -2x + x2 + -1 + 2x + -1x2

Combine like terms: -8x + 2x = -6x
-7 + -6x + 2x2 + -1x2 = 1 + -2x + x2 + -1 + 2x + -1x2

Combine like terms: 2x2 + -1x2 = 1x2
-7 + -6x + 1x2 = 1 + -2x + x2 + -1 + 2x + -1x2

Reorder the terms:
-7 + -6x + 1x2 = 1 + -1 + -2x + 2x + x2 + -1x2

Combine like terms: 1 + -1 = 0
-7 + -6x + 1x2 = 0 + -2x + 2x + x2 + -1x2
-7 + -6x + 1x2 = -2x + 2x + x2 + -1x2

Combine like terms: -2x + 2x = 0
-7 + -6x + 1x2 = 0 + x2 + -1x2
-7 + -6x + 1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-7 + -6x + 1x2 = 0

Factor a trinomial.
(-1 + -1x)(7 + -1x) = 0

Subproblem 1

Set the factor '(-1 + -1x)' equal to zero and attempt to solve: Simplifying -1 + -1x = 0 Solving -1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -1x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1x = 0 + 1 -1x = 0 + 1 Combine like terms: 0 + 1 = 1 -1x = 1 Divide each side by '-1'. x = -1 Simplifying x = -1

Subproblem 2

Set the factor '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Solution

x = {-1, 7}

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